Home / 634,391,279.70-951,565,980.51-260,886,239.70

Finding the Fourth Proportional to 634,391,279.70, 951,565,980.51 and 260,886,239.70

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Solution

The fourth proportional to 634,391,279.70, 951,565,980.51 and 260,886,239.70 is: 391,320,748.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,391,279.70 : 951,565,980.51 = 260,886,239.70 : x
  2. Step 2: Convert to fraction form
    634,391,279.70/951,565,980.51 = 260,886,239.70/x
  3. Step 3: Cross multiply
    634,391,279.70x = 951,565,980.51 × 260,886,239.70
  4. Step 4: Simplify right side
    634,391,279.70x = 248,250,470,481,697,376
  5. Step 5: Solve for x
    x = 248,250,470,481,697,376/634,391,279.70
  6. Step 6: Final answer
    x = 391,320,748.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.